using OfficeOpenXml;
using OfficeOpenXml.Style;
using OfficeOpenXml.Table;
using Swift.DAL.BL.Remit.Transaction;
using Swift.web.Library;
using System;
using System.Collections.Generic;
using System.Data;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Web;

namespace Swift.web.RemittanceSystem.RemittanceReports
{
    public class ReportDownload
    {
        private string fieldFormatExcel = "";
        public bool UserDefinedHeader { get; set; }
        public int DataStartingRow = 0;
        public bool ShowTableFilter { get; set; }
        public int TotalColumns { get; set; }
        public int TotalRows { get; set; }
        public bool CalculateTotal { get; set; }
        public string TotalTextValue { get; set; }
        public string PrepareReportFormat()
        {

            string reportName = GetStatic.ReadQueryString("reportName", "").ToLower();
            string path = "";
            switch (reportName)
            {
                case "accountingsummary":
                    path = PrepareAccountingSummaryReport();
                    break;
                case "customerandtxnlist":
                    path = PrepareCustomerAndTxnList();
                    break;
                case "customerregistration":
                    path = PrepareCustomerRegistrationReport();
                    break;
                //case "lowTxnReport":
                //    path = PrepareLowTxnReport();
                //    break;
            }
            return path;

        }
        public string PrepareCustomerRegistrationReport()
        {
            this.UserDefinedHeader = false;
            this.ShowTableFilter = false;
            this.fieldFormatExcel = "T|T|T|T|T|T|T|D|D|T|T|T|D|T|T|D|T|T|T|T|T|T|T";

            string fromDate = GetStatic.ReadQueryString("from", "");
            string toDate = GetStatic.ReadQueryString("to", "");
            string sAgent = GetStatic.ReadQueryString("sAgent", "");
            string sBranch = GetStatic.ReadQueryString("sBranch", "");
            string withAgent = GetStatic.ReadQueryString("withAgent", "");
            DataSet dataset = (new TranAgentReportDao().GetNewRegistrationReport(GetStatic.GetUser(), "customer", fromDate, toDate, sAgent, sBranch, withAgent)).Result;
            this.TotalColumns = dataset.Tables[0].Columns.Count;
            this.TotalRows = dataset.Tables[0].Rows.Count;
            return DataSetToExcelNew(dataset, "CustomerRegistration");

        }

        //public string PrepareLowTxnReport()
        //{
        //    this.UserDefinedHeader = false;
        //    this.ShowTableFilter = false;
        //    this.fieldFormatExcel = "T|T|T|T|T|T|T|D|D|T|T|T|D|T|T|D|T|T|T|T|T|T|T";

        //    string fromDate = GetStatic.ReadQueryString("from", "");
        //    //string toDate = GetStatic.ReadQueryString("to", "");
        //    //string sAgent = GetStatic.ReadQueryString("sAgent", "");
        //    //string sBranch = GetStatic.ReadQueryString("sBranch", "");
        //    //string withAgent = GetStatic.ReadQueryString("withAgent", "");
        //    DataSet dataset = (new TranAgentReportDao().GetLowTxnReport(GetStatic.GetUser(), "txn-report", fromDate)).Result;
        //    this.TotalColumns = dataset.Tables[0].Columns.Count;
        //    this.TotalRows = dataset.Tables[0].Rows.Count;
        //    return DataSetToExcelNew(dataset, "CustomerRegistration");

        //}
        public string PrepareCustomerAndTxnList()
        {
            this.UserDefinedHeader = false;
            this.ShowTableFilter = false;

            string fromDate = GetStatic.ReadQueryString("fromDate", "");
            string toDate = GetStatic.ReadQueryString("toDate", "");
            string searchBy = GetStatic.ReadQueryString("searchBy", "");
            string groupBy = GetStatic.ReadQueryString("groupBy", "");

            if(searchBy == "detail")
            {
                this.fieldFormatExcel = "D|T|T|D|D|T|D|T|D|T|T|T|T|T|T|D|D|T|T|T|T|D|D|D|M|M|M|M|M|T|T|T|T|T|T|T|T";
            }
            else if (searchBy == "summary" && groupBy == "tDate")
            {
                this.fieldFormatExcel = "D|T|";
            }
            else
            {
                this.fieldFormatExcel = "T|T|";
            }
            DataSet dataset = (new TranAgentReportDao().GetCustomerAndTxnList(GetStatic.GetUser(), "s-customerAndTxn", fromDate, toDate, searchBy, groupBy)).Result;
            this.TotalColumns = dataset.Tables[0].Columns.Count;
            this.TotalRows = dataset.Tables[0].Rows.Count;
            return DataSetToExcelNew(dataset, "DetailTransactionReport");
        }
        public string PrepareAccountingSummaryReport()
        {
            this.UserDefinedHeader = true;
            this.ShowTableFilter = false;
            this.fieldFormatExcel = "D|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M|M";
            this.DataStartingRow = 4;
            this.CalculateTotal = true;
            this.TotalTextValue = "Total";

            string fromDate = GetStatic.ReadQueryString("fromDate", "");
            string toDate = GetStatic.ReadQueryString("toDate", "");
            DataSet dataset = (new TranAgentReportDao().GetAccountingSummary(GetStatic.GetUser(), "RPT", fromDate, toDate)).Result;
            this.TotalColumns = dataset.Tables[0].Columns.Count;
            this.TotalRows = dataset.Tables[0].Rows.Count;
            return DataSetToExcelNew(dataset, "AccountingReport");
        }
        public string DataSetToExcelNew(DataSet ds, string strFileName)
        {
            ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
            ExcelPackage excelPackg = new ExcelPackage();
            string fileName = strFileName; // Guid.NewGuid().ToString();
            var formatArr = fieldFormatExcel.Split('|');

            ExcelWorksheet workSheet = excelPackg.Workbook.Worksheets.Add("Sheet1");
            if (this.UserDefinedHeader == true)
            {
                PrepareUserDefinedHeader(workSheet, ds);
            }
            else
            {
                PrepareHeader(workSheet, ds, strFileName);
            }
            PopulateRowData(workSheet, ds);

            if (CalculateTotal == true)
            {
                SetTotalFormula(workSheet, this.TotalRows + DataStartingRow, this.TotalColumns);
            }

            workSheet.Cells[workSheet.Dimension.Address].AutoFitColumns();

            string path = GetStatic.ReadWebConfig("root", "") + @"\ExcelSample\" + GetStatic.GetUser() + @"\";
            if (!Directory.Exists(path))
                Directory.CreateDirectory(path);

            File.Delete(path + fileName + ".xlsx");

            excelPackg.SaveAs(new FileInfo(path + fileName + ".xlsx"));
            return GetStatic.GetUrlRoot() + @"\ExcelSample\" + GetStatic.GetUser() + @"\" + fileName + ".xlsx";
        }
        public void SetTotalFormula(ExcelWorksheet workSheet, int endingIndex, int totalColumn)
        {
            SetFormatForTotal(workSheet, endingIndex, totalColumn);
            CalaulateTotalValue(workSheet, endingIndex, totalColumn);

        }
        public void SetFormatForTotal(ExcelWorksheet workSheet, int endingIndex, int totalColumn)
        {
            using (ExcelRange Rng = workSheet.Cells[GetCellRangeNew(0, endingIndex)])
            {
                Rng.Style.Numberformat.Format = "@";
                Rng.Value = TotalTextValue;
                Rng.Style.Font.Bold = true;
            }

            for (int i = 1; i < totalColumn; i++)
            {
                using (ExcelRange Rng = workSheet.Cells[GetCellRangeNew(i, endingIndex)])
                {
                    Rng.Style.Numberformat.Format = "#,##0.00"; ;
                    Rng.Style.Font.Bold = true;
                }
            }
        }
        public void CalaulateTotalValue(ExcelWorksheet workSheet, int endingIndex, int totalColumn)
        {
            for (int i = 1; i < totalColumn; i++)
            {
                workSheet.Cells[GetCellRangeNew(i, endingIndex)].Formula = "=SUM(" + GetCellRangeNew(i, 4) + ":" + GetCellRangeNew(i, endingIndex - 1) + ")";
            }
        }
        public void PopulateRowData(ExcelWorksheet workSheet, DataSet ds)
        {
            try
            {
                int j = (this.DataStartingRow > 0) ? this.DataStartingRow : 2;
                var fieldFormatArray = fieldFormatExcel.Split('|');
                int k = 0;
                foreach (DataRow item in ds.Tables[0].Rows)
                {
                    for (int i = 0; i < this.TotalColumns; i++)
                    {
                        using (ExcelRange Rng = workSheet.Cells[GetCellRangeNew(i, j)])
                        {
                            string columnName = ds.Tables[0].Columns[i].ToString();
                            if (fieldFormatArray[i] == "D")
                            {
                                Rng.Style.Numberformat.Format = DateTimeFormatInfo.CurrentInfo.ShortDatePattern;
                                Rng.Value = GetStatic.ParseDateTime(ds.Tables[0].Rows[k][columnName].ToString());
                            }
                            else if (fieldFormatArray[i] == "M")
                            {
                                Rng.Style.Numberformat.Format = "#,##0.00";
                                Rng.Value = GetStatic.ParseDouble(ds.Tables[0].Rows[k][columnName].ToString());
                            }
                            else
                            {
                                Rng.Style.Numberformat.Format = "@";
                                Rng.Value = ds.Tables[0].Rows[k][columnName].ToString();
                            }
                        }
                    }
                    j++;
                    k++;
                }
            }
            catch (Exception ex)
            {

            }

        }
        public void PrepareUserDefinedHeader(ExcelWorksheet workSheet, DataSet ds)
        {
            string reportName = GetStatic.ReadQueryString("reportName", "").ToLower();
            switch (reportName)
            {
                case "accountingsummary":
                    PrepareHeaderOfAccountingSummary(workSheet, ds);
                    break;
            }

        }

        public void PrepareHeader(ExcelWorksheet workSheet, DataSet ds, string strFileName)
        {
            var totalColumnName = ExcelColumnFromNumber(this.TotalColumns);
            this.TotalRows = this.TotalRows + 1;
            using (ExcelRange Rng = workSheet.Cells["A1:" + totalColumnName + "" + this.TotalRows + ""])
            {
                ExcelTableCollection tblcollection = workSheet.Tables;
                ExcelTable table = tblcollection.Add(Rng, strFileName);
                //Set Columns position & name  
                for (int i = 0; i < this.TotalColumns; i++)
                {
                    table.Columns[i].Name = ds.Tables[0].Columns[i].ToString();
                }

                table.ShowFilter = ShowTableFilter;

                table.TableStyle = TableStyles.Dark9;
            }
        }

        public static string ExcelColumnFromNumber(int column)
        {
            string columnString = "";
            decimal columnNumber = column;
            while (columnNumber > 0)
            {
                decimal currentLetterNumber = (columnNumber - 1) % 26;
                char currentLetter = (char)(currentLetterNumber + 65);
                columnString = currentLetter + columnString;
                columnNumber = (columnNumber - (currentLetterNumber + 1)) / 26;
            }
            return columnString;
        }
        private string GetCellRangeNew(int i, int j)
        {
            if (i == 0)
                return "A" + j.ToString();
            else if (i == 1)
                return "B" + j.ToString();
            else if (i == 2)
                return "C" + j.ToString();
            else if (i == 3)
                return "D" + j.ToString();
            else if (i == 4)
                return "E" + j.ToString();
            else if (i == 5)
                return "F" + j.ToString();
            else if (i == 6)
                return "G" + j.ToString();
            else if (i == 7)
                return "H" + j.ToString();
            else if (i == 8)
                return "I" + j.ToString();
            else if (i == 9)
                return "J" + j.ToString();
            else if (i == 10)
                return "K" + j.ToString();
            else if (i == 11)
                return "L" + j.ToString();
            else if (i == 12)
                return "M" + j.ToString();
            else if (i == 13)
                return "N" + j.ToString();
            else if (i == 14)
                return "O" + j.ToString();
            else if (i == 15)
                return "P" + j.ToString();
            else if (i == 16)
                return "Q" + j.ToString();
            else if (i == 17)
                return "R" + j.ToString();
            else if (i == 18)
                return "S" + j.ToString();
            else if (i == 19)
                return "T" + j.ToString();
            else if (i == 20)
                return "U" + j.ToString();
            else if (i == 21)
                return "V" + j.ToString();
            else if (i == 22)
                return "W" + j.ToString();
            else if (i == 23)
                return "X" + j.ToString();
            else if (i == 24)
                return "Y" + j.ToString();
            else if (i == 25)
                return "Z" + j.ToString();
            else if (i == 26)
                return "AA" + j.ToString();
            else if (i == 27)
                return "AB" + j.ToString();
            else if (i == 28)
                return "AC" + j.ToString();
            else if (i == 29)
                return "AD" + j.ToString();
            else if (i == 30)
                return "AE" + j.ToString();
            else if (i == 31)
                return "AF" + j.ToString();
            else if (i == 32)
                return "AG" + j.ToString();
            else if (i == 33)
                return "AH" + j.ToString();
            else if (i == 34)
                return "AI" + j.ToString();
            else if (i == 35)
                return "AJ" + j.ToString();
            else if (i == 36)
                return "AK" + j.ToString();
            else if (i == 37)
                return "AL" + j.ToString();
            else
                return "AM" + j.ToString();
        }
        public void PrepareHeaderOfAccountingSummary(ExcelWorksheet workSheet, DataSet ds)
        {
            using (ExcelRange Rng = workSheet.Cells["A1:U1"])
            {
                Rng.Value = "Accounting Summary";
                Rng.Merge = true;
                Rng.Style.Font.Size = 11;
                Rng.Style.Font.Bold = true;
                Rng.Style.HorizontalAlignment = ExcelHorizontalAlignment.Left;
            }

            using (ExcelRange Rng = workSheet.Cells["A2"])
            {
                Rng.Value = "Date";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["B2:E2"])
            {
                Rng.Value = "Remittance Send Tamt";
                Rng.Merge = true;
                Rng.Style.Font.Size = 11;
                Rng.Style.Font.Bold = true;
                Rng.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
            }
            using (ExcelRange Rng = workSheet.Cells["F2:I2"])
            {
                Rng.Value = "Remittance Cancelled Tamt";
                Rng.Merge = true;
                Rng.Style.Font.Size = 11;
                Rng.Style.Font.Bold = true;
                Rng.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
            }
            using (ExcelRange Rng = workSheet.Cells["J2:M2"])
            {
                Rng.Value = "Service Charge";
                Rng.Merge = true;
                Rng.Style.Font.Size = 11;
                Rng.Style.Font.Bold = true;
                Rng.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
            }
            using (ExcelRange Rng = workSheet.Cells["N2:Q2"])
            {
                Rng.Value = "Commission";
                Rng.Merge = true;
                Rng.Style.Font.Size = 11;
                Rng.Style.Font.Bold = true;
                Rng.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
            }
            using (ExcelRange Rng = workSheet.Cells["R2:U2"])
            {
                Rng.Value = "Forex Income";
                Rng.Merge = true;
                Rng.Style.Font.Size = 11;
                Rng.Style.Font.Bold = true;
                Rng.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
            }

            using (ExcelRange Rng = workSheet.Cells["B3"])
            {
                Rng.Value = "JME Nepal";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["C3"])
            {
                Rng.Value = "DongA";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["D3"])
            {
                Rng.Value = "Transfast";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["E3"])
            {
                Rng.Value = "Total";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["F3"])
            {
                Rng.Value = "JME Nepal";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["G3"])
            {
                Rng.Value = "DongA";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["H3"])
            {
                Rng.Value = "Transfast";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["I3"])
            {
                Rng.Value = "Total";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["J3"])
            {
                Rng.Value = "JME Nepal";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["K3"])
            {
                Rng.Value = "DongA";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["L3"])
            {
                Rng.Value = "Transfast";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["M3"])
            {
                Rng.Value = "Total";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["N3"])
            {
                Rng.Value = "JME Nepal";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["O3"])
            {
                Rng.Value = "DongA";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["P3"])
            {
                Rng.Value = "Transfast";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["Q3"])
            {
                Rng.Value = "Total";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["R3"])
            {
                Rng.Value = "JME Nepal";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["S3"])
            {
                Rng.Value = "DongA";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["T3"])
            {
                Rng.Value = "Transfast";
                Rng.Style.Font.Bold = true;
            }
            using (ExcelRange Rng = workSheet.Cells["U3"])
            {
                Rng.Value = "Total";
                Rng.Style.Font.Bold = true;
            }
        }
    }
}